Flange connected swing check valve

Technical Parameter

Item model number: H44H

Nominal diameter: DN15~600mm

Nominal pressure: PN1.0~2.5MPa

Operating temperature: 0°C~425°C

Applicable medium: water, steam, oil, etc.



Product Detail

Product Structure Features

Flanged connection swing check valves are used in pipes under pressures between PN1.6~42.0MPa,working tempertures between -29-570℃, They are used in industries include oil, chemistry, pharmaceutical, fertilizer, and power generation to prevent the backward flux of the media.


Main structural features:

1. Rational structure, reliable sealing, excellent performance, pretty appearance.

2. Co-radix alloy welded sealing surface, anti-wearing, erosion-proof abrasion-proof and longer use life.

3. Inside-set bolt-bearing structure reduces leakage and reliable use.

4. Under pressures≥16.0MPa, the valve belly, self-tightening structure offers a tighter sealing for a higher medium pressure.

5. Different parts materials and different sizes for flange, butt-welding are available for sensible combination according to different working facts and customer' s requirements.


Main external connection dimensions and weight

DNMain external connection dimensions and weight
LDD1D2bZ-dH
H44H-16C H44W-16C H44W-16P H44W-16R H44W-16I
251601158565164-14100
3218013510078164-18105
4020014510085164-18115
50230160125100164-18135
65290180145120184-18142
80310195160135208-18165
100350215180155208-18180
125400245210185228-18210
150480280240210248-23233
2005003352952652612-23304
2505504053553203012-25348
3006504604103753012-25390
3507505204704353416-25430
4008505805254853616-30468
H44H-25 H44W-25 H44W-25P H44W-25R H44W-25I
251601158565164-14100
3218013510078164-18105
4020014511085164-18115
50230160125100204-18160
65290180145120228-18175
80310195160135228-18185
100350230190160248-23220
125400270220188288-25248
150480300250218308-25276
2005503603102783412-25350
2506504253703323612-30410
3007504854303904016-30430
3508505504904484416-34518
4009506105505054816-34560